PSA-C18-Mix 3 Back Catalog number: 675411 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended N-13618-50MG trans-Heptachlor epoxide, 50mg Price on request 70499 Carbaryl Price on request M24P-DDT 1,1,1-Trichloro-2-[2-chloro(13C6)phenyl]-2-[4-chloro(13C6)phenyl]ethane, 1.2mL x 100ug/mL, nonane Price on request